The thing I find with both Flash and Arrow is that the over-arching storyline for each is really well done and compelling, but the week-to-week stories are weak, poorly written, and filled with wtf moments, plot-holes, and inconsistencies. It's maddening sometimes... to many "C'MON MAN!" moments. Like this week with The Flash, how did the shapeshifter lose him just by walking around a corner? And at the end, why bother even fighting him, just inject the guy. I can overlook those moments, but there are a lot of them.